DPST-NO Relays | McMaster-Carr

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	Input Voltage Input Voltage

	Switching Voltage Switching Voltage

	Number of Circuits Controlled Number of Circuits Controlled

	Mounting Location Mounting Location

DIN Rail

Surface

	Switching Current Switching Current

	Industry Designation Industry Designation	Show

DPST-NO

	Industry Designation Industry Designation	Hide

	Number of Terminals Number of Terminals

	Switch Starting Position Switch Starting Position

2 Off (Normally Open)

	Power Power

	Wire Connection Type Wire Connection Type

Screw Terminals

Quick-Disconnect Terminals

Screw-Clamp Terminals

Terminal Block

	Width Width

	Height Height

	Operation Type Operation Type

Mechanical

Solid State

	Specifications Met Specifications Met

	Depth Depth

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Relay Type Relay Type

	Standard

	Switch Action Switch Action

Springs Back (Momentary)

Stays Switched (Maintained)

	Application Application

Power

Signal

	Electrical Phase Electrical Phase

Single

Three

Two

	Component Component

Safety Relay

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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71 Products

About Relays

Choosing an Electrical Switch

Choosing a Proximity Switch

2 Circuits

The built-in enclosure protects contacts from dust and dirt. These relays accept voltage drops up to 50% of the rated voltage without switching. Use them with industrial automation systems, security and emergency lighting, and small motors. Also known as power relays.

			Switching Current @ Voltage
Number of Terminals	Input Voltage	Control Current, mA	Off (Normally Open) Circuit Position	hp @ Switching Voltage	Ht.	Wd.	Dp.	Quick-Disconnect Tab Wd.	Specifications Met		Each
2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
With Quick-Disconnect Terminals
6	24V AC	71	25 A @ 220 V AC	1 1/2 hp @ 120 V AC 2 hp @ 240 V AC 2 hp @ 277 V AC	1.3"	2.7"	1.9"	0.25"	UL Recognized Component, CSA Certified, CE Marked	0000000	000000
6	120V AC	20	25 A @ 220 V AC	1 1/2 hp @ 120 V AC 2 hp @ 240 V AC 2 hp @ 277 V AC	1.3"	2.7"	1.9"	0.25"	UL Recognized Component, CSA Certified, CE Marked	0000000	00000
6	240V AC	10	25 A @ 220 V AC	1 1/2 hp @ 120 V AC 2 hp @ 240 V AC 2 hp @ 277 V AC	1.3"	2.7"	1.9"	0.25"	UL Recognized Component, CSA Certified, CE Marked	0000000	00000
6	12V DC	158	25 A @ 220 V AC	1 1/2 hp @ 120 V AC 2 hp @ 240 V AC 2 hp @ 277 V AC	1.3"	2.7"	1.9"	0.25"	UL Recognized Component, CSA Certified, CE Marked	0000000	00000
6	24V DC	79	25 A @ 220 V AC	1 1/2 hp @ 120 V AC 2 hp @ 240 V AC 2 hp @ 277 V AC	1.3"	2.7"	1.9"	0.25"	UL Recognized Component, CSA Certified, CE Marked	0000000	00000

Medium-Current Relays

2 Circuits

Use these relays with industrial automation systems, security and emergency lighting, and small motors. Also known as power relays.

Optional covers protect contacts from dust and dirt.

Relays
			Switching Current									Optional Covers
Number of Terminals	Input Voltage	Control Current, mA	@ 120V AC	@ 28V DC	hp @ Switching Voltage	Ht.	Wd.	Dp.	Specifications Met		Each		Each
2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
6	24V AC	396	30A	30A	1 1/2 hp @ 120 V AC 1 1/2 hp @ 240 V AC	2.5"	2.5"	2.2"	UL Listed C-UL Listed	0000000	000000	0000000	000000
6	120V AC	79	30A	30A	1 1/2 hp @ 120 V AC 1 1/2 hp @ 240 V AC	2.5"	2.5"	2.2"	UL Listed C-UL Listed	0000000	00000	0000000	00000
6	240V AC	40	30A	30A	1 1/2 hp @ 120 V AC 1 1/2 hp @ 240 V AC	2.5"	2.5"	2.2"	UL Listed C-UL Listed	0000000	00000	0000000	00000
6	12V DC	167	30A	30A	1 1/2 hp @ 120 V AC 1 1/2 hp @ 240 V AC	2.5"	2.5"	2.2"	UL Listed C-UL Listed	0000000	00000	0000000	00000
6	24V DC	83	30A	30A	1 1/2 hp @ 120 V AC 1 1/2 hp @ 240 V AC	2.5"	2.5"	2.2"	UL Listed C-UL Listed	0000000	00000	0000000	00000

Long-Life Medium-Current Relays

2-Circuit Relay

With no moving parts, these solid state relays have an extended service life.

Two-circuit relays are rated IP20 for protection against solid objects greater than 12.5 mm, such as fingers. They’re not water resistant.

Heat sinks can be used to disperse heat to increase the relay’s current rating. Mount to 35 mm DIN rail or flat surfaces. Two-circuit relays don’t require silicone for mounting.

For technical drawings and 3-D models, click on a part number.

Relays
		Switching Current										Heat Sinks
Number of Terminals	Input Voltage	Without Heat Sink	With Heat Sink	Switching Voltage	Ht.	Wd.	Dp.	Environmental Rating	Specifications Met		Each		Each
2 Circuit Controlled with 2 Off (Normally Open)—DPST-NO
With High-Starting-Current Protection and Covered Terminals and LED Indicator
6	4-32V DC	5A	50A	660V AC	2.3"	1.8"	1.3"	IP20	CSA Certified CE Marked C-UL Recognized Component VDE Certified UL 94 V-0 UL Recognized Component UL 508	0000000	0000000	0000000	0000000
6	4-32V DC	7.5A	75A	660V AC	2.3"	1.8"	1.3"	IP20	CSA Certified CE Marked C-UL Recognized Component VDE Certified UL 94 V-0 UL Recognized Component UL 508	0000000	000000	0000000	000000

DIN-Rail Mount Long-Life Medium-Current Relays

Mount these relays directly to 35 mm DIN rail. They are solid state, so they have no moving parts and have an extended service life. Relays have an attached heat sink that disperses heat to provide optimal convection cooling.

2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
	Number of Terminals	Input Voltage	Switching Current @ Voltage	Ht.	Wd.	Dp.	Specifications Met		Each
With High-Starting-Current Protection
B	6	5-32V DC	25 A @ 220 V AC	4.3"	2.1"	4"	UL Listed C-UL Listed	0000000	0000000
B	6	5-32V DC	25 A @ 600 V AC	4.3"	2.1"	4"	UL Listed C-UL Listed	0000000	000000
B	6	20-275V AC/24-190V DC	25 A @ 220 V AC	4.3"	2.1"	4"	UL Listed C-UL Listed	0000000	000000
B	6	20-275V AC/24-190V DC	25 A @ 600 V AC	4.3"	2.1"	4"	UL Listed C-UL Listed	0000000	000000

DIN-Rail Mount Long-Life High-Current Relays

With no moving parts, these solid state relays have an extended service life. Mount them directly to 35 mm DIN rail. They have an integrated heat sink that disperses heat to provide optimal convection cooling. An LED indicator tells you if they are open or closed. Relays are rated for continuous operating duty. They do not switch DC loads.

For technical drawings and 3-D models, click on a part number.

2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
Number of Terminals	Input Voltage	Control Current, mA	Full Load Switching Current @ 600V AC	hp @ Switching Voltage	Ht.	Wd.	Dp.	Specifications Met		Each
Two Phase
6	5-32V DC	10	40A	5 hp @ 230 V AC 10 hp @ 480 V AC	4.3"	2.8"	5"	UL Listed C-UL Listed CE Marked	0000000	0000000
6	5-32V DC	10	75A	10 hp @ 230 V AC 20 hp @ 480 V AC	5.6"	2.8"	5.6"	UL Listed C-UL Listed CE Marked	0000000	000000
6	20-275V AC/24-190V DC	2	40A	5 hp @ 230 V AC 10 hp @ 480 V AC	4.3"	2.8"	5"	UL Listed C-UL Listed CE Marked	0000000	000000
6	20-275V AC/24-190V DC	2	75A	10 hp @ 230 V AC 20 hp @ 480 V AC	5.6"	2.8"	5.6"	UL Listed C-UL Listed CE Marked	0000000	000000

Infrequent-Cycle High-Current Relays

2 Circuits

For use with equipment that cycles on and off, these relays meet UL 508 for air conditioning and heating. Connections are accessible from the front, so you can mount relays side-by-side. Also known as definite-purpose contactors.

Enclosures (sold separately) are NEMA 1 rated to protect contacts from corrosion.

Also Available: Auxiliary contacts for 3.8"-7.2" Ht. relays. They allow you to add a signaling device or control another relay. Please select 6564K99, then select the McMaster-Carr part number of your relay and whether you want to switch one circuit on (1 Normally Open) or off (1 Normally Closed).

For technical drawings and 3-D models, click on a part number.

			Switching Current @ 600V AC		hp @ Switching Voltage
Number of Terminals	Input Voltage	Control Power	Full Load	Resistive Load	Single Phase	Three Phase	Ht.	Wd.	Dp.	Quick-Disconnect Tab Wd.	Specifications Met		Each
2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
With Quick-Disconnect and Screw Terminals
4	24V AC	6.5VA	20A	30A	1 1/2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	24V AC	6.5VA	30A	40A	2 hp @ 115 V AC 5 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	24V AC	6.5VA	40A	50A	3 hp @ 115 V AC 7 1/2 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V AC	7VA	15A	20A	3/4 hp @ 115 V AC 2 hp @ 230 V AC	3 hp @ 230 V AC 5 hp @ 460 V AC 5 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	24V AC	10VA	50A	65A	3 hp @ 115 V AC 10 hp @ 230 V AC	15 hp @ 230 V AC 30 hp @ 460 V AC 30 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V AC	19VA	90A	120A	7 1/2 hp @ 115 V AC 20 hp @ 230 V AC	30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	5"	3.7"	4.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V AC	50.4VA	60A	75A	5 hp @ 115 V AC 10 hp @ 230 V AC	20 hp @ 230 V AC 40 hp @ 460 V AC 40 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V AC	50.4VA	75A	90A	5 hp @ 115 V AC 15 hp @ 230 V AC	20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	120V AC	6.5VA	20A	30A	1 1/2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	120V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	120V AC	6.5VA	30A	40A	2 hp @ 115 V AC 5 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	120V AC	6.5VA	40A	50A	3 hp @ 115 V AC 7 1/2 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	120V AC	7VA	15A	20A	3/4 hp @ 115 V AC 2 hp @ 230 V AC	3 hp @ 230 V AC 5 hp @ 460 V AC 5 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	120V AC	10VA	50A	65A	3 hp @ 115 V AC 10 hp @ 230 V AC	15 hp @ 230 V AC 30 hp @ 460 V AC 30 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	120V AC	19VA	90A	120A	7 1/2 hp @ 115 V AC 20 hp @ 230 V AC	30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	5"	3.7"	4.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	120V AC	50.4VA	60A	75A	5 hp @ 115 V AC 10 hp @ 230 V AC	20 hp @ 230 V AC 40 hp @ 460 V AC 40 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	120V AC	50.4VA	75A	90A	5 hp @ 115 V AC 15 hp @ 230 V AC	20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	3.1W	15A	20A	3/4 hp @ 115 V AC 2 hp @ 230 V AC	3 hp @ 230 V AC 5 hp @ 460 V AC 5 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	3.1W	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	3.1W	30A	40A	2 hp @ 115 V AC 5 hp @ 230 V AC	__	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	3.1W	40A	50A	3 hp @ 115 V AC 7 1/2 hp @ 230 V AC	__	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	3.1W	50A	65A	3 hp @ 115 V AC 10 hp @ 230 V AC	15 hp @ 230 V AC 30 hp @ 460 V AC 30 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	5.1W	60A	75A	5 hp @ 115 V AC 10 hp @ 230 V AC	20 hp @ 230 V AC 40 hp @ 460 V AC 40 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	24V DC	5.1W	75A	90A	5 hp @ 115 V AC 15 hp @ 230 V AC	20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	208/240V AC	6.5VA	20A	30A	1 1/2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	208/240V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	208/240V AC	6.5VA	30A	40A	2 hp @ 115 V AC 5 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	208/240V AC	6.5VA	40A	50A	3 hp @ 115 V AC 7 1/2 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	208/240V AC	7VA	15A	20A	3/4 hp @ 115 V AC 2 hp @ 230 V AC	3 hp @ 230 V AC 5 hp @ 460 V AC 5 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	00000
4	208/240V AC	10VA	50A	65A	3 hp @ 115 V AC 10 hp @ 230 V AC	15 hp @ 230 V AC 30 hp @ 460 V AC 30 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	208/240V AC	19VA	90A	120A	7 1/2 hp @ 115 V AC 20 hp @ 230 V AC	30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	5"	3.7"	4.4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	208/240V AC	50.4VA	60A	75A	5 hp @ 115 V AC 10 hp @ 230 V AC	20 hp @ 230 V AC 40 hp @ 460 V AC 40 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000
4	208/240V AC	50.4VA	75A	90A	5 hp @ 115 V AC 15 hp @ 230 V AC	20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC	3.8"	2.6"	4"	0.25"	UL Recognized Component, CSA Certified, CE Marked, UL 508	00000000	000000

Enclosures for 60A 3PST-NO Relays and 4PST-NO Relays

00000000

Each

0000000

Sequenced Latching Relays

These relays switch through a series of different circuit configurations every time they receive an input voltage. The input voltage latches them in position, so they don’t require a constant voltage to stay switched. Use them to control motors, pumps, and lighting. The covered terminals prevent contact with live connections. Mount to 35 mm DIN rail. Also known as step relays.

For technical drawings and 3-D models, click on a part number.

2 Circuits Controlled—DPST-NO
Switch Starting Position	Input Voltage	Control Power	Switching Current @ 24V AC/120V AC	Max. Switching Voltage	hp @ Switching Voltage	Ht.	Wd.	Dp.		Each
With 6 Terminals
1st Signal—2 Off (Normally Open) 2nd Signal—2 On (Normally Closed)	24V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	000000
1st Signal—2 Off (Normally Open) 2nd Signal—2 On (Normally Closed)	120V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—2 On (Normally Closed)	240V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—2 On (Normally Closed)	12V DC	5W	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—2 On (Normally Closed)	24V DC	5W	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—1 On (Normally Closed) and 1 Off (Normally Open) 3rd Signal—2 On (Normally Closed)	24V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—1 On (Normally Closed) and 1 Off (Normally Open) 3rd Signal—2 On (Normally Closed)	120V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—1 On (Normally Closed) and 1 Off (Normally Open) 3rd Signal—2 On (Normally Closed)	240V AC	6.5VA	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—1 On (Normally Closed) and 1 Off (Normally Open) 3rd Signal—2 On (Normally Closed)	12V DC	5W	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000
1st Signal—2 Off (Normally Open) 2nd Signal—1 On (Normally Closed) and 1 Off (Normally Open) 3rd Signal—2 On (Normally Closed)	24V DC	5W	16A	277V AC	1/2 hp @ 120 V AC	3.3"	0.7"	2.4"	00000000	00000

Two-Hand Safety Switches

It takes two hands to activate these switches, minimizing the risk of accidental equipment start up. A complete system requires two switches, one safety relay, and two outlet boxes.

Safety relays control the two switches by sending an output signal when both switches are activated within 0.5 seconds of each other. Self-monitoring circuitry offers additional protection—if any part of the system fails, the entire system shuts down until repaired.

For technical drawings and 3-D models, click on a part number.

Safety Relays

Safety Relay

Input Voltage	No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation	Switching Current @ Voltage	For DIN Rail Ht., mm	Wire Connection Type		Each
24V AC/DC	2	2 Off (Normally Open)	4	DPST-NO	4 A @ 230 V AC, 2 A @ 24 V DC	35	Screw Terminals	00000000	0000000
115V AC	2	2 Off (Normally Open)	4	DPST-NO	4 A @ 230 V AC, 2 A @ 24 V DC	35	Screw Terminals	00000000	000000

Light Beam Safety Barrier Switches

Immediately cut power to machinery by breaking the light beam between the two barriers. Light beams can travel up to 32 feet between the transmitter and receiver. For a complete system, combine a transmitter, receiver, safety relay, and connectors (sold separately). Switches will automatically produce PNP or NPN signal output based on the device they are connected to. To selectively allow material to pass through the sensing field, you can program the system to allow one or more beams to be broken without shutting off your machine.

Note: These switches cannot be used with a full-revolution clutch press or machine. Use only with machinery that can consistently and immediately stop anywhere in its cycle.

Use safety relays when connecting these barrier switches to emergency stop switches.

For technical drawings and 3-D models, click on a part number.

Safety Relays

Input Voltage	No. of Circuits Controlled	Switching Current @ Voltage	Industry Designation	Wire Connection Type	Ht.	Wd.	Dp.	Features	For DIN Rail Ht., mm		Each
24V DC	2	2 A @ 240 V AC, 1.5 A @ 24 V DC	DPST-NO	Terminal Block	4.9"	0.69"	4.3"	Auxiliary PNP Output	35	0000000	0000000

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About Relays

Choosing an Electrical Switch

Choosing a Proximity Switch

Enclosed Medium-Current Relays

Medium-Current Relays

Long-Life Medium-Current Relays

DIN-Rail Mount Long-Life Medium-Current Relays

DIN-Rail Mount Long-Life High-Current Relays

Infrequent-Cycle High-Current Relays

Sequenced Latching Relays

Two-Hand Safety Switches

Light Beam Safety Barrier Switches